1 package org.apache.lucene.util.collections;
5 import org.apache.lucene.util.LuceneTestCase;
6 import org.apache.lucene.util.collections.IntArray;
9 * Licensed to the Apache Software Foundation (ASF) under one or more
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12 * The ASF licenses this file to You under the Apache License, Version 2.0
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25 public class IntArrayTest extends LuceneTestCase {
29 IntArray array = new IntArray();
31 assertEquals(0, array.size());
33 for (int i = 0; i < 100; ++i) {
37 assertEquals(100, array.size());
38 for (int i = 0; i < 100; ++i) {
39 assertEquals(i, array.get(i));
42 assertTrue(array.equals(array));
47 IntArray array = new IntArray();
48 IntArray array2 = new IntArray();
50 assertEquals(0, array.size());
52 for (int i = 0; i < 100; ++i) {
53 array.addToArray(99-i);
54 array2.addToArray(99-i);
57 assertEquals(100, array.size());
58 for (int i = 0; i < 100; ++i) {
59 assertEquals(i, array.get(99-i));
63 for (int i = 0; i < 100; ++i) {
64 assertEquals(i, array.get(i));
67 assertTrue(array.equals(array2));
72 IntArray array = new IntArray();
73 IntArray array2 = new IntArray();
74 IntArray array3 = new IntArray();
76 for (int i = 0; i < 100; ++i) {
80 for (int i = 0; i < 100; ++i) {
81 array2.addToArray(i*2);
84 for (int i = 0; i < 50; ++i) {
85 array3.addToArray(i*2);
88 assertFalse(array.equals(array2));
90 array.intersect(array2);
91 assertTrue(array.equals(array3));
92 assertFalse(array.equals(array2));
96 public void testSet() {
97 int[] original = new int[] { 2,4,6,8,10,12,14 };
98 int[] toSet = new int[] { 1,3,5,7,9,11};
100 IntArray arr = new IntArray();
101 for (int val : original) {
105 for (int i = 0; i < toSet.length; i++ ) {
110 // Test to see if the set worked correctly
111 for (int i = 0; i < toSet.length; i++ ) {
112 assertEquals(toSet[i], arr.get(i));
115 // Now attempt to set something outside of the array
118 fail("IntArray.set should have thrown an exception for attempting to set outside the array");
119 } catch (ArrayIndexOutOfBoundsException e) {
120 // We expected this to happen so let it fall through